Re: [Linux-cluster] problem with deadlocked processes (D)

From: BERES Laszlo <beres laszlo sys-admin hu>

To: linux clustering <linux-cluster redhat com>

Subject: Re: [Linux-cluster] problem with deadlocked processes (D)

Date: Wed, 04 Apr 2007 16:04:40 +0200

rhurst bidmc harvard edu wrote:
> Are these two kernel sysctl parameters recommended to be enabled all the
> time, particularly with production GFS/clustered systems, or only for
> dev/test systems for debugging purposes? Thanks.
Basically enabling the sysrq facility IMHO decreases the local (console)
security, because anybody can trigger a full reboot via the keyboard.
But if you maintain high console security (restricted server area, etc)
then it's recommended,
--
BÉRES László RHCE, RHCX
senior IT engineer, trainer